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China military defence barrier/wall is one modern military fortification or military bunker which is filled with sand, it is also called as hesco bag, hesco barrier bastion, hesco wall, protective defensive barrier, military sand wall, barrier of explosion-proof wall, etc. Military defence barrier is also widely used as border wall for border security protection.
Military Defensive Bastion Barriers are usually used as military bunkers and shelters to protect peronnel and technical equipment. Obviously, it is not possible to build a protective structure to totally protect against the effects of blast from larger explosive devices. However, the construction of a competent defensive bastion barrier blast wall may substantially reduce the effects of weapons and explosions.